1075765537321 has 2 divisors, whose sum is σ = 1075765537322. Its totient is φ = 1075765537320.

The previous prime is 1075765537309. The next prime is 1075765537331. The reversal of 1075765537321 is 1237355675701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033272250000 + 42493287321 = 1016500^2 + 206139^2 .

It is an emirp because it is prime and its reverse (1237355675701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1075765537321 - 2⁵ = 1075765537289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075765537331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537882768660 + 537882768661.

It is an arithmetic number, because the mean of its divisors is an integer number (537882768661).

Almost surely, 2^{1075765537321} is an apocalyptic number.

It is an amenable number.

1075765537321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075765537321 is an equidigital number, since it uses as much as digits as its factorization.

1075765537321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4630500, while the sum is 52.

The spelling of 1075765537321 in words is "one trillion, seventy-five billion, seven hundred sixty-five million, five hundred thirty-seven thousand, three hundred twenty-one".